﻿using System.Globalization;
using System.Windows.Data;

namespace MaterialDesignThemes.Wpf.Converters;

public class DrawerOffsetConverter : IValueConverter
{
    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
    {
        var d = value as double? ?? 0;
        if (double.IsInfinity(d) || double.IsNaN(d)) d = 0;

        var dock = (parameter is Dock) ? (Dock)parameter : Dock.Left;
        switch (dock)
        {
            case Dock.Top:
                return new Thickness(0, 0 - d, 0, 0);
            case Dock.Bottom:
                return new Thickness(0, 0, 0, 0 - d);
            case Dock.Right:
                return new Thickness(0, 0, 0 - d, 0);
            case Dock.Left:
            default:
                return new Thickness(0 - d, 0, 0, 0);
        }
    }

    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
    {
        throw new NotImplementedException();
    }
}
